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0ICAB-001-XTP PDF预览

0ICAB-001-XTP

更新时间: 2024-01-28 00:06:47
品牌 Logo 应用领域
AMI 网络接口电信集成电路电信电路光电二极管
页数 文件大小 规格书
12页 657K
描述
High-Speed CAN Transceiver

0ICAB-001-XTP 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:0.150 INCH, GREEN, PLASTIC, SOIC-8Reach Compliance Code:unknown
风险等级:5.81JESD-30 代码:R-PDSO-G8
JESD-609代码:e3/e4长度:4.9 mm
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.72 mm标称供电电压:5 V
表面贴装:YES电信集成电路类型:INTERFACE CIRCUIT
温度等级:AUTOMOTIVE端子面层:MATTE TIN/NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

0ICAB-001-XTP 数据手册

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AMIS-42671 High-Speed CAN Transceiver  
Data Sheet  
For Long Networks  
7.0 Functional Description  
7.1 Operating Modes  
The behavior of AMIS-42671 under various conditions is illustrated in Table 3 below. In case the device is powered, one of two  
operating modes can be selected through pin AUTB.  
Table 3: Functional table of AMIS-42671 when not connected to the bus; X = don’t care  
VCC  
pin TxD  
pin AUTB  
pin CANH  
pin CANL  
Bus state  
pin RxD  
4.75 to 5.25.V  
4.75 to 5.25.V  
4.75 to 5.25.V  
VCC<PORL (unpowered)  
PORL<VCC<4.75V  
0
X
0 (or floating)  
1
X
X
X
High  
VCC/2  
VCC/2  
0V<CANH<VCC  
0V<CANH<VCC  
Low  
VCC/2  
VCC/2  
0V<CANL<VCC  
0V<CANL<VCC  
Dominant  
Recessive  
Recessive  
Recessive  
Recessive  
0
1
1
1
1
1 (or floating)  
X
>2V  
7.1.1. High-Speed Mode  
If pin AUTB is pulled low (or left floating), the transceiver is in its high-speed mode and is able to communicate via the bus lines. The  
signals are transmitted and received to the CAN controller via the pins TxD and RxD. The slopes on the bus line outputs are optimized  
to give extremely low electromagnetic emissions.  
7.1.2. Autobaud Mode  
If pin AUTB is pulled high, AMIS-42671 is in Autobaud mode. The transmitter is disabled while the receiver remains active. All other IC  
functions also continue to operate. Normal bus activity can be monitored at the RxD pin and transmit data on TxD is looped back to  
RxD without influencing the CAN communication.  
TxD  
CANH  
CANL  
RxD  
AUTB  
PC20071002.4  
Figure 4: Simplified Schematic Diagram of Autobaud Function  
In Autobaud mode the local CAN controller is able to detect the used communication speed of other transmitting network nodes. Bus  
communication is received and via the RxD pin sent to the CAN controller. If the CAN controller operates at the wrong baud rate, it will  
transmit an error frame. This message will be looped back to the CAN controller which will increment its error counter. The CAN  
controller will be reset with another baud rate. When an error-free message is received, the correct baud rate is detected. A logic low  
may now be applied to pin AUTB, returning to the High-Speed Mode.  
7.2 Over-temperature Detection  
A thermal protection circuit protects the IC from damage by switching off the transmitter if the junction temperature exceeds a value of  
approximately 160°C. Because the transmitter dissipates most of the power, the power dissipation and temperature of the IC is  
reduced. All other IC functions continue to operate. The transmitter off-state resets when pin TxD goes high. The thermal protection  
circuit is particularly necessary when a bus line short-circuits.  
AMI Semiconductor – Oct. 07, Rev. 1.0  
4
www.amis.com Specifications subject to change without notice  
 

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